Home / 103,549,251.40-155,323,877.10-97,166,710.60

Finding the Fourth Proportional to 103,549,251.40, 155,323,877.10 and 97,166,710.60

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Solution

The fourth proportional to 103,549,251.40, 155,323,877.10 and 97,166,710.60 is: 145,750,065.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,549,251.40 : 155,323,877.10 = 97,166,710.60 : x
  2. Step 2: Convert to fraction form
    103,549,251.40/155,323,877.10 = 97,166,710.60/x
  3. Step 3: Cross multiply
    103,549,251.40x = 155,323,877.10 × 97,166,710.60
  4. Step 4: Simplify right side
    103,549,251.40x = 15,092,310,215,445,666
  5. Step 5: Solve for x
    x = 15,092,310,215,445,666/103,549,251.40
  6. Step 6: Final answer
    x = 145,750,065.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.